At all the levels of the spinal cord, nerve cells in the gray substance are multipolar, varying much in their morphology. Many of them are Golgi type I and Golgi type II nerve cells. The axons of Golgi type I are long and pass out of the gray matter into the ventral spinal roots or the fiber tracts of the white matter.
Full Definition of MERCILESS. : having or showing no mercy: pitiless. â merÂ·ciÂ·lessÂ·ly adverb. â merÂ·ciÂ·lessÂ·ness noun. See merciless defined for English-language learners.
Bacillus stearothermophilus. Definition. noun. A rod-shaped, endospore-forming, Gram-positive bacterium that belongs to the division Firmicutes. Supplement. It is thermophile, and lives mostly in soil, hot springs, and ocean sediments. It can also cause spoilage in food products.